package com.cust.sky.controller.admin;


import com.baomidou.mybatisplus.core.metadata.IPage;
import com.cust.sky.constant.RedisConstant;
import com.cust.sky.dto.DishDTO;
import com.cust.sky.dto.DishPageQueryDTO;
import com.cust.sky.entity.Dish;
import com.cust.sky.service.DishService;
import com.cust.sky.utils.R;
import com.cust.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * <p>
 * 菜品 前端控制器
 * </p>
 *
 * @author lei
 * @since 2024-07-10
 */
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     *
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public R save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品：{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);

        //清理缓存数据
        String key = RedisConstant.DishPrefix + dishDTO.getCategoryId();
        cleanCache(key);
        return R.success();
    }

    /**
     * 菜品分页查询
     *
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public R<IPage> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询:{}", dishPageQueryDTO);

        IPage dishVOPage = dishService.getPage(dishPageQueryDTO);
        return R.success(dishVOPage);
    }

    /**
     * 菜品批量删除
     *
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public R delete(@RequestParam List<Long> ids) {
        log.info("菜品批量删除：{}", ids);
        dishService.removeDish(ids);

        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
         cleanCache(RedisConstant.AllDish);
        return R.success();
    }

    /**
     * 根据id查询菜品
     *
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品及口味")
    public R<DishVO> getById(@PathVariable Long id) {
        log.info("根据id查询菜品：{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return R.success(dishVO);
    }

    /**
     * 修改菜品
     *
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public R update(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品：{}", dishDTO);
        dishService.updateWithFlavor(dishDTO);

        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        cleanCache(RedisConstant.AllDish);

        return R.success();
    }

    /**
     * 菜品起售停售
     *
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售停售")
    public R<String> startOrStop(@PathVariable Integer status, Long id) {
        dishService.startOrStop(status, id);

        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
         cleanCache(RedisConstant.AllDish);

        return R.success();
    }

    /**
     * 根据分类id查询菜品
     *
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public R<List<Dish>> list(Long categoryId) {
        List<Dish> list = dishService.getDishByCategoryId(categoryId);
        return R.success(list);
    }

    /**
     * 清理缓存数据
     *
     * @param pattern
     */
    private void cleanCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}

